package com.hy.video.monitor.vmanager.gb28181.ptz;


import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.async.DeferredResult;

import com.hy.video.monitor.gb28181.bean.Device;
import com.hy.video.monitor.gb28181.transmit.callback.DeferredResultHolder;
import com.hy.video.monitor.gb28181.transmit.callback.RequestMessage;
import com.hy.video.monitor.gb28181.transmit.cmd.impl.SIPCommander;
import com.hy.video.monitor.storager.IVideoManagerStorager;

import java.util.UUID;

@Api(tags = "云台控制")
@CrossOrigin
@RestController
@RequestMapping("/api/ptz")
public class PtzController {

    private final static Logger logger = LoggerFactory.getLogger(PtzController.class);

    @Autowired
    private SIPCommander cmder;

    @Autowired
    private IVideoManagerStorager storager;

    @Autowired
    private DeferredResultHolder resultHolder;

    /***
     * 云台控制
     * @param deviceId 设备id
     * @param channelId 通道id
     * @param command	控制指令
     * @param horizonSpeed	水平移动速度
     * @param verticalSpeed	垂直移动速度
     * @param zoomSpeed	    缩放速度
     * @return String 控制结果
     */
    @ApiOperation("云台控制")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
            @ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
            @ApiImplicitParam(name = "command", value = "控制指令,允许值: left, right, up, down, upleft, upright, downleft, downright, zoomin, zoomout, stop", dataTypeClass = String.class),
            @ApiImplicitParam(name = "horizonSpeed", value = "水平速度", dataTypeClass = Integer.class),
            @ApiImplicitParam(name = "verticalSpeed", value = "垂直速度", dataTypeClass = Integer.class),
            @ApiImplicitParam(name = "zoomSpeed", value = "缩放速度", dataTypeClass = Integer.class),
    })
    @PostMapping("/control/{deviceId}/{channelId}")
    public ResponseEntity<String> ptz(@PathVariable String deviceId,@PathVariable String channelId, String command, int horizonSpeed, int verticalSpeed, int zoomSpeed){

        if (logger.isDebugEnabled()) {
            logger.debug(String.format("设备云台控制 API调用，deviceId：%s ，channelId：%s ，command：%s ，horizonSpeed：%d ，verticalSpeed：%d ，zoomSpeed：%d",deviceId, channelId, command, horizonSpeed, verticalSpeed, zoomSpeed));
        }
        Device device = storager.queryVideoDevice(deviceId);
        int cmdCode = 0;
        switch (command){
            case "left":
                cmdCode = 2;
                break;
            case "right":
                cmdCode = 1;
                break;
            case "up":
                cmdCode = 8;
                break;
            case "down":
                cmdCode = 4;
                break;
            case "upleft":
                cmdCode = 10;
                break;
            case "upright":
                cmdCode = 9;
                break;
            case "downleft":
                cmdCode = 6;
                break;
            case "downright":
                cmdCode = 5;
                break;
            case "zoomin":
                cmdCode = 16;
                break;
            case "zoomout":
                cmdCode = 32;
                break;
            case "stop":
                cmdCode = 0;
                break;
            default:
                break;
        }
        cmder.frontEndCmd(device, channelId, cmdCode, horizonSpeed, verticalSpeed, zoomSpeed);
        return new ResponseEntity<String>("success",HttpStatus.OK);
    }

    @ApiOperation("通用前端控制命令")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
            @ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
            @ApiImplicitParam(name = "cmdCode", value = "指令码", dataTypeClass = Integer.class),
            @ApiImplicitParam(name = "parameter1", value = "数据一", dataTypeClass = Integer.class),
            @ApiImplicitParam(name = "parameter2", value = "数据二", dataTypeClass = Integer.class),
            @ApiImplicitParam(name = "combindCode2", value = "组合码二", dataTypeClass = Integer.class),
    })
    @PostMapping("/front_end_command/{deviceId}/{channelId}")
    public ResponseEntity<String> frontEndCommand(@PathVariable String deviceId,@PathVariable String channelId,int cmdCode, int parameter1, int parameter2, int combindCode2){

        if (logger.isDebugEnabled()) {
            logger.debug(String.format("设备云台控制 API调用，deviceId：%s ，channelId：%s ，cmdCode：%d parameter1：%d parameter2：%d",deviceId, channelId, cmdCode, parameter1, parameter2));
        }
        Device device = storager.queryVideoDevice(deviceId);

        cmder.frontEndCmd(device, channelId, cmdCode, parameter1, parameter2, combindCode2);
        return new ResponseEntity<String>("success",HttpStatus.OK);
    }

    @ApiOperation("预置位查询")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "deviceId", value = "设备ID", dataTypeClass = String.class),
            @ApiImplicitParam(name = "channelId", value = "通道ID", dataTypeClass = String.class),
    })
    @GetMapping("/preset/query/{deviceId}/{channelId}")
    public DeferredResult<ResponseEntity<String>> presetQueryApi(@PathVariable String deviceId, @PathVariable String channelId) {
        if (logger.isDebugEnabled()) {
            logger.debug("设备预置位查询API调用");
        }
        Device device = storager.queryVideoDevice(deviceId);
        String uuid =  UUID.randomUUID().toString();
        String key =  DeferredResultHolder.CALLBACK_CMD_PRESETQUERY + (StringUtils.isEmpty(channelId) ? deviceId : channelId);
        DeferredResult<ResponseEntity<String>> result = new DeferredResult<ResponseEntity<String >> (3 * 1000L);
        result.onTimeout(()->{
            logger.warn(String.format("获取设备预置位超时"));
            // 释放rtpserver
            RequestMessage msg = new RequestMessage();
            msg.setId(uuid);
            msg.setKey(key);
            msg.setData("获取设备预置位超时");
            resultHolder.invokeResult(msg);
        });
        if (resultHolder.exist(key, null)) {
            return result;
        }
        resultHolder.put(key, uuid, result);
        cmder.presetQuery(device, channelId, event -> {
            RequestMessage msg = new RequestMessage();
            msg.setId(uuid);
            msg.setKey(key);
            msg.setData(String.format("获取设备预置位失败，错误码： %s, %s", event.statusCode, event.msg));
            resultHolder.invokeResult(msg);
        });

        return result;
    }
}

